Rearranging atoms

In this reaction, which reactant contains chlorine?

• hydrochloric acid

• magnesium

• magnesium chloride

• hydrogen

Tags

NGSS.MS-PS1-2

In this reaction, how many kinds of atoms are present in the reactants?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

In this reaction, how many kinds of atoms are present in products?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

In this reaction, how many atom of chlorine are produced?

• 2

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In this reaction, if 10 g of magnesium is reacted with 125 grams of hydrochloric acid, what is the total mass of the products?

• 130 g

• 135 g

• 140 g

• 145 g

Tags

NGSS.MS-PS1-5

In this reaction, if 38 g of hydrochloric acid and 54 g of magnesium are reacted, what is the total mass of the products?

• 91 g

• 82 g

• 92 g

• 78 g

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In this reaction, it was found that the total mass of reactants used was 235 g. If 3.8 g of hydrogen was released as gas, what mass of magnesium chloride was formed?

• 232.2 g

• 222.8 g

• 231.2 g

• 232.8 g

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Photosynthesis involves the reaction between carbon dioxide and water in the presence of sunlight. Which substance in this figure is a product of this reaction?

• glucose

• oxygen

• glucose and oxygen

• none of these

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Water and carbon dioxide reacts to form glucose and oxygen. How many kinds of atoms are present in the reactants?

• 3

• 4

• 5

• 6

Tags

NGSS.MS-PS1-1

Glucose is a product of photosynthesis. How many hydrogen atoms are in glucose?

• 11

• 12

• 13

• 14

Tags

NGSS.MS-LS1-6

NGSS.MS-PS1-1